Engine Operation - Except 4.5L Engines Changing Engine Speed NOTE: On engines with 2-position throttles, speeds are not adjustable. These throttles allows operation only at the preset rated speed or at idle using the single switch (A). Changing from slow to fast speed using Standard High-Low Speed Select Rocker Switch (A) (If Equipped): For slow speed, press lower half of switch (indicated by turtle symbol). For fast speed, press upper half of switch (indicated by rabbit symbol). RG13282 –UN–30OCT03 NOTE: To adjust preset fast or slow speeds for High-Low Speed Select Rocker Switch: 1. Select fast (rabbit) or slow (turtle) position on High-Low Speed Select Rocker Switch (A). 2.
Press and hold top or bottom half of Bump Speed Enable Rocker Switch (B) while using Speed Select Rocker Switch (C). 3. Use Speed Select Rocker Switch (C) to bump engine speed up (+) or down (-). Changing Engine Speed On Earlier Panel (Left) or Later Panel (Right) A—High-Low Speed Select Rocker Switch B—Bump Speed Enable Rocker Switch C—Speed Select Rocker Switch D—Analog Throttle Control (Optional) NOTE: Once the speed has been set, the Bump Speed Enable Switch (B) must be pressed and released three times within two seconds to commit the new slow or fast speed to memory. If not done, the engine’s new slow or fast speed will only be effective until the key switch is shut off.
Then the speed will revert to its previous setting. Changing from slow to fast speed using Adjustable High-Low Speed Select Rocker Switch (A) (If Equipped): Later engines have an adjustable three-position rocker switch (A) that can be used to select slow idle, fast idle, or an adjustable (“ADJ”) intermediate speed. For slow speed, press lower half of rocker switch (indicated by turtle symbol). For fast speed, press upper half of rocker switch (indicated by rabbit symbol). Continued on next page OURGP11,000023F –19–21OCT03–1/3 19-13 021604 PN=111